Tony, the owner of a small auto mechanics business, employing 3 full-time mechanics, has approached you for advice on how to keep track of his customers, the jobs he completes on their vehicles, who has carried out the work, and the supplies he uses. He would also like to send reminders to customers when their car service is due. He is currently using spreadsheets and a paper-based filing system to store this information. Tony is currently the only person who can find and update the information.

Describe the most appropriate solution and its advantages.